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Elphel
ezynq
Commits
04f45016
Commit
04f45016
authored
Nov 04, 2013
by
Andrey Filippov
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commented out seemingly unneeded code
parent
e3818497
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ezynq_uboot.py
ezynq_uboot.py
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ezynq_uboot.py
View file @
04f45016
...
...
@@ -640,7 +640,7 @@ int arch_cpu_init(void)
\t
int * d= (int *) 0x4000000;
\t
while (s< ((int *)0x30000)) *d++=*s++;
'''
self
.
cfile
+=
'
\t
ddrc_wait_queue_empty(); /* Wait no commands are pending in DDRC queue */
\n
'
#
self.cfile+='\tddrc_wait_queue_empty(); /* Wait no commands are pending in DDRC queue */\n'
self
.
_cp_led
(
'LED_CHECKPOINT_8'
)
# Before relocation to DDR (to 0x4000000+ )
...
...
@@ -667,7 +667,7 @@ int arch_cpu_init(void)
"mov r0,r0" );
'''
# seems some delay is needed before remapping DDR memory
self
.
cfile
+=
'
\t
ddrc_wait_queue_empty(); /* seems some delay is needed here before remapping DDR memory */
\n
'
#
self.cfile+='\tddrc_wait_queue_empty(); /* seems some delay is needed here before remapping DDR memory */\n'
self
.
_cp_led
(
'LED_CHECKPOINT_9'
)
# After relocation to DDR (to 0x4000000+ )
# self._cp_led('LED_CHECKPOINT_9') # After relocation to DDR (to 0x4000000+ )
self
.
cfile
+=
'
\t
writel(0, &scu_base->filter_start); /* Remap DDR to zero, FILTERSTART */
\n
'
...
...
@@ -692,7 +692,7 @@ int arch_cpu_init(void)
\t
d= (int *) 0;
\t
while (d < ((int *) 0x30000)) *d++=*s++;
\t
ddrc_wait_queue_empty();
/* Wait no commands are pending in DDRC queue */
/*
\t
ddrc_wait_queue_empty();*/
/* Wait no commands are pending in DDRC queue */
/*
* Below is a hack - copying the same data to low SDRAM again - probably just a delay.
* Waiting for ddrc_wait_queue_empty() alone is not sufficient - some of the
...
...
@@ -700,11 +700,12 @@ int arch_cpu_init(void)
* seemingly unrelated changes. With this extra delay all seems fine.
* Better understanding of the original problem and a fix is needed.
*/
/*
\t
s= (int *) 0x4000000;
\t
d= (int *) 0;
\t
while (d < ((int *) 0x30000)) *d++=*s++;
\t
ddrc_wait_queue_empty();
/* Wait no commands are pending in DDRC queue */
*/
/*
\t
ddrc_wait_queue_empty();*/
/* Wait no commands are pending in DDRC queue */
/*
Continue with the original low-level init, Now we have 2 copies of the code again,
...
...
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